How to Present the Constructive Triangles – Small Hexagonal Box | AMI Sensorial Lesson

Constructive Triangles - Small Hexagonal Box Association Montessori Internationale (AMI) Version https://montessori-ami.org/ Material: A small hexagonal box 6 gray equilateral triangles with a black line on 2 sides 2 red equilateral triangles with a black line on 1 side 3 green equilateral triangles: 2 with a black line on one side and 1 with a black line on two sides A rug or a large table In this video I am using materials from Nienhuis https://www.nienhuis.com/us/ Presentation: Invite a child Introduce the activity Have the child set up the floor mat Have the child carry the box to the floor mat and sit-down Open the box Take all the triangles and place them around the box Close the box and place it on the right corner Isolate one red triangle, tell the child you are going to look for the matching one Take another red triangle and join them together on the black lines Place it on the top left corner. Say : look what we have here, do you remember what shape is this? Do the same one with green one to make trapezoid and place it next to the red one Do the same with the grey one to make hexagon and place it in front of the child Pause Use two hands, separate the grey hexagon to three trapezoids Compare the green trapezoid to grey trapezoids and put the green ones on top go the grey Place the green back Separate the hexagon to three rhombus Compare the red rhombus with one go the grey rhombus and put it on top of the grey ones Put the red ones back Put all the shapes back into their positions Mix the triangle Invite the child When the child done, show how to put away Mix the triangle Open the box First the grey ones, the green ones and the red ones Close the box Place it back to the shelf Control of Error: The black lines Direct Purpose: To show the child the figures he can make with the equilateral triangles Indirect Purpose: Preparation for geometry Age: 4 to 5